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How many miles per gallon does a Dodge Diplomat get?

The Dodge Diplomat, a mid-size sedan produced by Chrysler from 1977 to 1989, had an average fuel economy of around 20 miles per gallon (mpg) in city driving and 25 mpg on the highway, according to historical data. The exact fuel efficiency can vary depending on the specific model year, engine, and driving conditions.


Fuel Efficiency of the Dodge Diplomat


The Dodge Diplomat was available with a range of engine options, including four-cylinder and six-cylinder engines, as well as a diesel engine option in some model years. The fuel economy of the Diplomat varied depending on the engine and transmission configuration.



  • Four-cylinder models with manual transmissions typically achieved around 20-22 mpg in the city and 25-27 mpg on the highway.

  • Six-cylinder models with automatic transmissions generally had a fuel economy of 18-20 mpg in the city and 23-25 mpg on the highway.

  • The diesel engine option, available in the early 1980s, could achieve up to 30 mpg on the highway, but had lower city fuel economy of around 22-24 mpg.


It's important to note that these fuel efficiency figures are based on historical data and may not reflect the real-world performance of a Dodge Diplomat today, as driving conditions, maintenance, and other factors can impact a vehicle's fuel economy.


Factors Affecting Fuel Economy


The fuel efficiency of a Dodge Diplomat, or any vehicle, can be influenced by several factors, including:



  • Engine size and type: Larger engines and more powerful engines generally have lower fuel efficiency than smaller, more efficient engines.

  • Transmission type: Vehicles with manual transmissions tend to have better fuel economy than those with automatic transmissions.

  • Driving conditions: Fuel economy is typically lower in stop-and-go city driving compared to highway driving at consistent speeds.

  • Vehicle weight and aerodynamics: Heavier vehicles and those with less aerodynamic designs tend to have lower fuel efficiency.

  • Maintenance and driving habits: Proper vehicle maintenance, such as regular tune-ups and tire inflation, as well as driving habits like smooth acceleration and braking, can impact fuel economy.


It's important to keep these factors in mind when considering the fuel efficiency of a Dodge Diplomat or any other vehicle.

Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.